import com.tgy.demo.utils.JdbcUtils;

/***
 * @ClassName: test
 * @Description:
 * @Auther: 送一一块二向箔
 * @Date: 21:34 2021/11/29
 * @version : V1.0
 */
public class test {
    public static void main(String[] args) {
        System.out.println("A" + "B" == "AB");
        String a = "A";
        System.out.println(a + "B" == "AB");

    }
}
